994503001 has 2 divisors, whose sum is σ = 994503002. Its totient is φ = 994503000.

The previous prime is 994502987. The next prime is 994503019. The reversal of 994503001 is 100305499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 992250000 + 2253001 = 31500^2 + 1501^2 .

It is a cyclic number.

It is not a de Polignac number, because 994503001 - 2²⁹ = 457632089 is a prime.

It is equal to p_50582137 and since 994503001 and 50582137 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (994503101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497251500 + 497251501.

It is an arithmetic number, because the mean of its divisors is an integer number (497251501).

Almost surely, 2^994503001 is an apocalyptic number.

It is an amenable number.

994503001 is a deficient number, since it is larger than the sum of its proper divisors (1).

994503001 is an equidigital number, since it uses as much as digits as its factorization.

994503001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 994503001 is about 31535.7416434115. The cubic root of 994503001 is about 998.1642992648.

The spelling of 994503001 in words is "nine hundred ninety-four million, five hundred three thousand, one".